he ordered that the secret message ()to the headquarters at once._英语解答

he ordered that the secret message ()to the headquarters at once.
A.is sent B.to be sent C.be sent D.being sent
应该选哪个,理由

人气：156 ℃　时间：2020-05-09 17:01:12

解答

C
order 后的从句要用虚拟语气【(should)+ 动词原形】,should 省略后,就是C 这个形式了